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  2. Liber Abaci - Wikipedia

    en.wikipedia.org/wiki/Liber_Abaci

    For instance, 1/3+1/4 = 7/12, so a notation like would represent the number that would now more commonly be written as the mixed number , or simply the improper fraction . Notation of this form can be distinguished from sequences of numerators and denominators sharing a fraction bar by the visible break in the bar.

  3. Partial fraction decomposition - Wikipedia

    en.wikipedia.org/wiki/Partial_fraction_decomposition

    In algebra, the partial fraction decomposition or partial fraction expansion of a rational fraction (that is, a fraction such that the numerator and the denominator are both polynomials) is an operation that consists of expressing the fraction as a sum of a polynomial (possibly zero) and one or several fractions with a simpler denominator.

  4. List of integer sequences - Wikipedia

    en.wikipedia.org/wiki/List_of_integer_sequences

    Name First elements Short description OEIS Mersenne prime exponents : 2, 3, 5, 7, 13, 17, 19, 31, 61, 89, ... Primes p such that 2 p − 1 is prime.: A000043 ...

  5. NFL playoff schedule: Dates, times, TV info for wild-card ...

    www.aol.com/nfl-playoff-schedule-dates-times...

    The NFL playoff schedule is about to be set, with the wild-card dates and times for every matchup to be revealed during Week 18.

  6. Pharrel Payne's big game helps No. 17 Texas A&M pull away ...

    www.aol.com/pharrel-paynes-big-game-helps...

    Zhuric Phelps and Pharrel Payne each scored 16 points Saturday to lead No. 17 Texas A&M past No. 11 Purdue 70-66 in the first of two games at the Indy Classic. The Aggies (9-2) have won five straight.

  7. Figure-eight knot (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Figure-eight_knot...

    The figure-eight knot has played an important role historically (and continues to do so) in the theory of 3-manifolds.Sometime in the mid-to-late 1970s, William Thurston showed that the figure-eight was hyperbolic, by decomposing its complement into two ideal hyperbolic tetrahedra.

  8. NYT ‘Connections’ Hints and Answers Today, Saturday, January 11

    www.aol.com/nyt-connections-hints-answers-today...

    Spoilers ahead! We've warned you. We mean it. Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT ...

  9. Spline (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Spline_(mathematics)

    This means that if a knot t i appears more than n + 1 times in an extended knot vector, all instances of it in excess of the (n + 1) th can be removed without changing the character of the spline, since all multiplicities n + 1, n + 2, n + 3, etc. have the same meaning. It is commonly assumed that any knot vector defining any type of spline has ...